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A dog looks for a treat before competing in the Masters Agility Championship during the Westminster Kennel Club Dog Show on Feb. 10, 2018, in New York City. Best in show at the 142nd Westminster dog show will be awarded at the end of the competition on Tuesday, February 13.

Fenric Towell isn't nervous about his first time competing at the nation's top dog show. After all, he's heading to the Westminster Kennel Club ring this week with 100-plus shows under his belt, a record of wins and a champion Lakeland terrier.

So what if he's only 11?

"I'm going to try to think of it as a normal show," the Oklahoma City boy says. "I just try to focus on the highest place that I can get."

Westminster is best known for the dog who will be crowned best in show Tuesday night at Madison Square Garden. As judging began Monday night, a borzoi named Lucy won the hound group, and a pug dubbed Biggie won the toy group.

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But the event also a showcase for youngsters who can handle both dogs and grown-up competition.

While there's a special contest for junior handlers, many also exhibit their dogs in the breed judging that goes toward best in show. They go up against adults in an atmosphere that prizes poise and formality.

"It's hard because they're top people, and we're just kids," says Faith Rogers, 14, of Bordentown, New Jersey, who's handling a Doberman pinscher at her fourth Westminster. But when she started showing dogs at age 9, she decided: "This is what I love, and I didn't really care if there were older people or not."

Raw Video: Adorable Westminster Dogs

Check out some of the cute 2,721 entries in 187 breeds at the 137th Westminster Kennel Club Dog show in New York. Only one dog will win the covered "Best in Show" Tuesday night live on USA Network between 8-9pm. The show is said to be America's second-longest continuously held sporting event, behind only the Kentucky Derby.

About 5,000 junior handlers nationwide are registered with the American Kennel Club, a governing body for Westminster and many other dog shows. Young handlers also can compete through 4-H and other kennel clubs.

AKC "junior showmanship" competitions are open to youngsters ages 9 to 18. They're judged on their presentation, not their dogs' particulars.

But there's no age minimum for handlers in the breed rings, a point driven home to Thanksgiving Day TV watchers who saw (emphasis on the "awwww") 6-year-old Mackenzie Huston and her long-coat Chihuahua in a semifinal round at the Kennel Club of Philadelphia's National Dog Show.

Mackenzie sometimes feels scared as she waits to show. But "when I get in the ring, I don't feel nervous," says the now 7-year-old girl from Bellmawr, New Jersey.

She isn't going to Westminster — yet — but super-young handlers have shown there, including then-7-year-old Raina McCloskey last year (with a borzoi, no less.)

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Westminster's 95 junior invitees are "very competitive, they're very talented and very, very good," show chairman David Helming said. Westminster is boosting its top juniors' prize, a scholarship, from $6,000 to $10,000 this year. The eight finalists all get some education money.

Dog showing requires an investment of money and, particularly, time. Junior handlers can spend hours per week training, grooming and exercising their dogs, weekends traveling to shows and years balancing it all with school, other activities and friends.

All that to don dress clothes and notch accomplishments many of their peers can't quite understand. ("You're running around in a circle with dogs?")

Molly Anne Forsyth comes from two generations of Saluki breeders, and she has assisted at the births of the greyhound-like dogs. But "we trust each other even more from showing together," says the 16-year-old from Davis, California.

For parents, the sport requires acclimating to the occasional double take when a 6-year-old uses the word "bitch" —appropriately, for a female dog — plus a lot of driving and helping out.

"I can dress a little boy in a suit in my sleep," laughs Alysha Towell. Seven of her eight children, including Fenric, either show dogs or soon will.